(The architect being at that time also the contractor.) The chapters are -- (1) on various machines, such as scaling-ladders, windmills, &c.; (2) on windlasses, axles, pulleys and cranes for moving heavy weights, such as those used by Chersiphron in building the great temple of Diana at Ephesus, and on the discovery by a shepherd of a quarry of marble required to build the same temple; (3) on dynamics; (4) on machines for drawing water; (5) on wheels for irrigation worked by a river; (6) on raising water by a revolving spiral tube; (7) on the machine of Ctesibius for raising water to a height; (8) on a very complicated water engine, the description of which is not intelligible, though Vitruvius remarks that he has tried to make the matter clear; (9) on machines with wheels to register the distance travelled, either by land or water; (10) on the construction of scorpiones for hurling stones; (11) and (12) on balistae and catapults; (13) on battering rams and other machines for the attack of a fortress; (14) on shields (testudines) to enable soldiers to fill up the enemy's ditches; (15) on other kinds of testudines; (16) on machines for defence, and examples of their use in ancient times.   anvd [Please select]

REPTILIA Testudines ~Chelonia mydas~ (Linnaeus) _Testudo mydas_ Linnaeus, Systema naturae, ed.   anvd [Please select]

=============+============+============+============ Group | Families | Genera | Species -------------+------------+------------+------------ Gymnophiona | (1)[A] | (1) | (1) Caudata | 1 | 1 | 2 Salientia | 6 | 10 (1) | 19 (1) Crocodilia | 1 | 1 | 1 Testudines | 4 | 7 | 8 Sauria | 6 | 13 (1) | 19 (1) Serpentes | 4 | 21 (7) | 29 (10) +------------+------------+------------ Total | 22 (1) | 53 (10) | 78 (13) -------------+------------+------------+------------ [Footnote A: Numbers in parenthesis indicate the number of additional taxa that probably occur.   anvd [Please select]

DUELLMAN CONTENTS PAGE INTRODUCTION 3 Acknowledgments 5 Historical Account 7 NATURAL LANDSCAPE 9 GEOGRAPHY OF THE HERPETOFAUNA 13 ANNOTATED LIST OF SPECIES 13 Amphibia 14 Caudata 14 Salientia 20 Reptilia 56 Testudines 56 Crocodilia 58 Sauria 59 Serpentes 88 SPECIES OF QUESTIONABLE OCCURRENCE 124 GAZETTEER 129 SUMMARY 141 LITERATURE CITED 142 INTRODUCTION For almost 30 years North American herpetologists have been making extensive collections of reptiles and amphibians in México.   anvd [Please select]